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Finding the Fourth Proportional to 362,672.80, 544,009.20 and 328,847.20

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Solution

The fourth proportional to 362,672.80, 544,009.20 and 328,847.20 is: 493,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,672.80 : 544,009.20 = 328,847.20 : x
  2. Step 2: Convert to fraction form
    362,672.80/544,009.20 = 328,847.20/x
  3. Step 3: Cross multiply
    362,672.80x = 544,009.20 × 328,847.20
  4. Step 4: Simplify right side
    362,672.80x = 178,895,902,194.24
  5. Step 5: Solve for x
    x = 178,895,902,194.24/362,672.80
  6. Step 6: Final answer
    x = 493,270.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.